已知命题
:“函数
在
上单调递增.”,命题
:“幂函数
在
上单调递减”.⑴若命题
和命题
同时为真,求实数
的取值范围;⑵若命题
和命题
有且只有一个真命题,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11e335ab5a44ec2e8c51b15c7eecead5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ad05810cd5a51c2bdcbfe138419f62a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9df09670981efbc16d98b61adf2849e6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/31a141e697b1a31a9a4e759984e899a5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
11-12高三·上海·期中 查看更多[1]
(已下线)2012届上海市南洋中学高三期中考试数学
更新时间:2016-12-01 13:42:35
|
【知识点】 根据或且非的真假求参数解读
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解答题-问答题
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容易
(0.94)
【推荐1】已知
,命题
,不等式
恒成立;命题
,使得
成立.
(1)若
为真命题,求实数
的取值范围;
(2)若
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df307146ad61d4bf105370f65a3e742c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/65d6dea6ccf719cb1b71df3146a414cb.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e2da9c50b14fe762a704038636af45e4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5379c14fb15d582f99daa034ec54f353.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f675824e539f50cec53120959d32e554.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
解答题-问答题
|
容易
(0.94)
【推荐2】设命题
方程
有实数根;命题
方程
有实数根.已知p和
均为真命题,求实数m的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51441c8788ff11be766766227793246d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20f84c4b2412f24ecc9fd9ada9f83463.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce20ef9c08e82df8c7f45bac6dd31d36.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/612d549db614be3dccdfee468c2acd6c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e26b38e357c7d985656ba7bb3c794a5.png)
您最近一年使用:0次